The Harley Wiltshire Maternity Belt provides sacroiliac support throughout all stages of pregnancy. This belt has an elastic back section and two padded side straps, plus two variable tension straps. The slimline design of this belt makes it comfortable to wear when sitting. It provides strong circumferential support around the pelvis holding the two sacroiliac joints and the symphis pubis joint firmly. Hip sizes: small 960-1160mm; medium 1160-1300mm; large 1300-1460mm; x large 1460-1600. Back depth 10cm (4"); front depth 8cm (3¼")